APA (7e ed.) Bronvermelding

Melvin, M., & Boyes, W. (2011). Principles of Macroeconomics (8th ed.). South-Western Cengage Learning.

Chicago (17e ed.) Bronvermelding

Melvin, Michael, en William Boyes. Principles of Macroeconomics. 8th ed. Australia: South-Western Cengage Learning, 2011.

MLA (9e ed.) Bronvermelding

Melvin, Michael, en William Boyes. Principles of Macroeconomics. 8th ed. South-Western Cengage Learning, 2011.